Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced...
-
Upload
mathew-dunkum -
Category
Documents
-
view
215 -
download
3
Transcript of Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced...
![Page 1: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/1.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
1
IMPACT - WP4IMPACT - WP4
Dam-break inducedDam-break induced floodsfloodsand sediment movementand sediment movement
![Page 2: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/2.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
2
Debris flow : research programmeDebris flow : research programme
• Experiments : acting forces (UDT)– Uniform material
• Months 1-18
– Graded material• Months 18-32
BM UDT ?
![Page 3: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/3.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
3
Near-field dam break : programmeNear-field dam break : programme
• Experiments: uniform material (UCL)– Same bed levels
• Months 1-9
– Initial step in bed levels• Months 1-9
BM UCL 2
BM UCL 1
![Page 4: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/4.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
4
Near-field dam break : programmeNear-field dam break : programme
• Mathematical modelling (UCL)– 1D model: months 1-6
– 2D-V model: months 21-32BM UCL 3
![Page 5: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/5.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
5
Near-field : research programmeNear-field : research programme
• Validation of codes (UDT, UCL, Cem)– Uniform debris flow (to be clarified)
• Months 11-12
BM UDT ?
![Page 6: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/6.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
6
Near-field : research programmeNear-field : research programme
• Validation of codes (UDT, UCL, Cem)– 1D dam-break flow in the near field
• Months 11-12
– 2D-V dam-break flow• Months 34-35
BM UCL 2BM UCL 1
BM UCL 3
![Page 7: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/7.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
7
Far field : research programmeFar field : research programme
• Laboratory experiments– Dam-break in an initially prismatic valley
(UCL)• Uniform material• Graded material
• Months 13-20
BM UCL 4
![Page 8: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/8.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
8
Far field : research programmeFar field : research programme
• Laboratory experiments– Large-scale model (Châtelet)
• Prismatic valley• Enlargement
• Months 24-31
BM Chat
![Page 9: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/9.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
9
Far field : research programmeFar field : research programme
• Field experiments– Norwegian dam (SG)
• Geomorphic survey (to be checked)
• Months 9-12 and 19-21
BM Norway
![Page 10: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/10.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
10
Far field : research programmeFar field : research programme
• Numerical modelling– Extension of 2D-H model (UCL)
• Bank erosion
• Months 12-20 50°
37°
85°
Vbank
![Page 11: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/11.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
11
Far field : research programmeFar field : research programme
• Validation (UCL, UDT, Cemagref, IST)– Laboratory tests
• Prismatic valley (UCL)• Enlargement (Châtelet)
BM UCL 4 BM Chat
![Page 12: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/12.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
12
Far field : research programmeFar field : research programme
• Validation (UCL, UDT, Cemagref, IST)– Field tests
• WP2 Norwegian dam ?• Lake Ha!Ha!
• Months 33-35
BM Ha!Ha!
BM Norway
![Page 13: Mo-i-Rana - September 2002 Dam-break floods and sediment movement 1 IMPACT - WP4 Dam-break induced floods and sediment movement.](https://reader036.fdocuments.in/reader036/viewer/2022070308/551be791550346be588b614c/html5/thumbnails/13.jpg)
Mo-i-Rana - September 2002
Dam-break floods and sediment movement
13
Benchmark summaryBenchmark summary
• Near field
• Far field
BM Ha!Ha!
BM Norway
BM UCL 4
BM Chat
BM UCL 3BM UCL 2BM UCL 1
BM UDT ?